# N2504U: 1987 Yakovlev YAK 52

- Status: Valid registration
- Airframe: [Yakovlev YAK 52](https://openairdocs.org/model/yakovlev-yak-52) (registry code 9830220, 1 seats)
- Engine: [Vedeneyev M14P](https://openairdocs.org/engine/vedeneyev-m14p) (registry code 63601)
- Serial number: 878012
- Year built: 1987
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 29, 2011
- Certificate issued: August 21, 2024
- Expires: August 31, 2031
- Mode S code: A25A75
- Registered owner: [Mansfield Heliflight Inc](https://openairdocs.org/faa-owner/MANSFIELD%20HELIFLIGHT%20INC)
- Location: [Milton, VT](https://openairdocs.org/faa-place/VT/Milton)
- Owner type: Corporation
- Owner's area on the map: 44.6459° N, 73.1592° W: Placed by OpenAirDocs at the center of ZIP code 05468, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2504U
- Page: https://openairdocs.org/aircraft/N2504U

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Yakovlev YAK 52)

None in force.

### Matched by engine (Vedeneyev M14P)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR23LA129](https://openairdocs.org/ntsb/WPR23LA129), Mar 17, 2023: Yakovlev YAK-52 (N2504U), Mesa, AZ, substantial damage. Probable cause: The pilot of the Ryan Navion’s failure to maintain visual sight of and clearance from another airplane during a formation flight, which resulted in a mid-air collision.

## FAA accident and incident reports

None matched to N2504U.

## Reports on N2504U not matched to an aircraft (1)

They name N2504U, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19880714042419I](https://openairdocs.org/incident/19880714042419I), Jul 14, 1988: Piper PA34200T (N2504U), Huntsville, AL. Smoke from left engine. Declared an emergency and landed. No fire. An oil leak was dripping on the exhaust.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Yakovlev YAK 52 aircraft: https://openairdocs.org/model/yakovlev-yak-52/aircraft.md
- The Vedeneyev M14P engine: https://openairdocs.org/engine/vedeneyev-m14p.md

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